[SCSI] tgt: move tsk_mgmt_response callback to transport class

This moves tsk_mgmt_response callback in struct scsi_host_template to
struct scsi_transport_template since struct scsi_transport_template is
more suitable for the task management stuff.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/include/scsi/scsi_transport.h b/include/scsi/scsi_transport.h
index af5b3e1..0dfef75 100644
--- a/include/scsi/scsi_transport.h
+++ b/include/scsi/scsi_transport.h
@@ -71,6 +71,12 @@
 	 * for target drivers.
 	 */
 	int (* it_nexus_response)(struct Scsi_Host *, u64, int);
+
+	/*
+	 * Used as callback for the completion of task management
+	 * request for target drivers.
+	 */
+	int (* tsk_mgmt_response)(struct Scsi_Host *, u64, u64, int);
 };
 
 #define transport_class_to_shost(tc) \